linux-kernel - Re: [PATCH v2] sched/deadline: fix the hang in dl_task

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Message-ID: <c070a780-c287-4349-8391-d8752b1a0815@amperemail.onmicrosoft.com>
Date: Thu, 29 Aug 2024 10:24:52 +0800
From: Shijie Huang <shijie@...eremail.onmicrosoft.com>
To: Juri Lelli <juri.lelli@...hat.com>,
 Huang Shijie <shijie@...amperecomputing.com>
Cc: mingo@...hat.com, patches@...erecomputing.com, peterz@...radead.org,
 vincent.guittot@...aro.org, dietmar.eggemann@....com, rostedt@...dmis.org,
 bsegall@...gle.com, mgorman@...e.de, vschneid@...hat.com,
 vineeth@...byteword.org, bristot@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] sched/deadline: fix the hang in dl_task_of


On 2024/8/28 20:39, Juri Lelli wrote:
> OK, but I think we want to avoid all potentially problematic paths
> eventually calling __schedstat_from_dl_se() for dl_server dl_se(s)?
>
> Maybe we should return early from within update_stats_*_dl() functions,
> I'm thinking.

Okay, I will do it in v3.


Thanks

Huang Shijie